var XMLHttpRequestObject = false;
var loadingstring = "<h1>Betöltés folyamatban, kérem várjon!...</h1>";

if (window.XMLHttpRequest) {
	XMLHttpRequestObject = new XMLHttpRequest();
	}
else if (window.ActiveXObject) {
	XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
	}

function getData(dataSource, divID)
{

	if(XMLHttpRequestObject) {
		var obj = document.getElementById(divID);
		
		XMLHttpRequestObject.open("GET", dataSource);
		XMLHttpRequestObject.onreadystatechange = function()
			{
				if (XMLHttpRequestObject.readyState == 4 && XMLHttpRequestObject.status == 200) {
					obj.innerHTML = XMLHttpRequestObject.responseText;
					if (document.getElementById('loadingscreen')) {
						document.getElementById('loadingscreen').style.display='none';
					}
				}
				else {
					if (document.getElementById('loadingscreen')) {
						document.getElementById('loadingscreen').style.display='block';
					}
					//obj.innerHTML = loadingstring;
				}
			}
		XMLHttpRequestObject.send(null);
	}

}